Aros vs Theodore

Baby Name Comparison — 2026

Aros

Boy #28,548 Most Popular 2 Syllables

Meaning

"river mouth, estuary"

Origin: Old Norse

Cultural Roots

Welsh Scottish British

Quick Stats

Popularity Rank
#28,548
Total SSA Count
5
Syllables
2
Formality
Moderate
Nicknames
Ro, Ross

Playground Safety Score

✓ All Clear
Full profile for Aros →

Popularity Comparison

Aros Rank #28,548
Theodore Rank #4

Theodore is more popular, ranked #4 vs #28548 for Aros.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aros ___

  • Aros James
  • Aros Hugh
  • Aros Ian
  • Aros Ewan
  • Aros Callum
  • Aros Rhys

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Aros

Ewan Callum Lachlan Saoirse Fionnuala

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Aros or Theodore more popular?

Theodore is more popular, ranked #4 compared to Aros at #28548 in the United States.

What do Aros and Theodore mean?

Aros means "river mouth, estuary" (Old Norse origin). Theodore means "divine gift" (Greek origin).

Are Aros and Theodore boy or girl names?

Aros is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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← Full profile: Aros ← Full profile: Theodore Browse all baby names